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#1 2014-09-04 00:54:37

steelcowboy
Member
From: California, USA
Registered: 2014-09-04
Posts: 48

[SOLVED] Acer C720 ath9k -- WiFi won't connect

Howdy,

I recently installed Arch for my Acer C720 Chromebook. I've been trying for the fast few days to get wifi-menu to work, but when trying to connect to a network (my home network, for example), it produces the following output:

Job for netctl@wlp1s0\x2dHOME\x2d42CE.service failed. See 'systemctl
status netctl@wlp1s0\x2dHOME\x2d42CE.service' and 'journalctl -xn' for
details.

To cut to the chase, I tried to use the solution in https://bbs.archlinux.org/viewtopic.php?id=178274 with no luck -- but I got the same output messages as in the first post, so my driver is loaded and working (to be clear wifi-menu can detect the networks, just not connect). I've also followed the wiki in setting up a network connection using wpa_supplicant and wpa_cli, both of which with zero success. Here's my output for systemctl:

[root@penguin wpa_supplicant]# systemctl status 
netctl@wlp1s0\x2dHOME\x2d42CE.service
● netctl@wlp1s0x2dHOMEx2d42CE.service - Networking for netctl profile 
wlp1s0x2dHOMEx2d42CE
   Loaded: loaded (/usr/lib/systemd/system/netctl@.service; static)
   Active: inactive (dead)
     Docs: man:netctl.profile(5)

For journalctl:

[root@penguin wpa_supplicant]# journalctl -xn
-- Logs begin at Fri 2014-08-29 22:58:39 PDT, end at Wed 2014-09-03 
16:58:01 PDT
Sep 03 16:57:43 penguin kernel: wlp1s0: deauthenticating from 
c4:27:95:43:42:ce 
Sep 03 16:57:43 penguin kernel: cfg80211: Calling CRDA to update world 
regulator
Sep 03 16:57:44 penguin kernel: cfg80211: Calling CRDA to update world 
regulator
Sep 03 16:57:47 penguin kernel: cfg80211: Calling CRDA to update world 
regulator
Sep 03 16:57:55 penguin kernel: cfg80211: Calling CRDA to update world 
regulator
Sep 03 16:58:01 penguin network[1763]: Starting network profile 
'wlp1s0-HOME-42C
Sep 03 16:58:01 penguin network[1763]: The interface of network profile 
'wlp1s0-
Sep 03 16:58:01 penguin systemd[1]: 
netctl@wlp1s0\x2dHOME\x2d42CE.service: main 
Sep 03 16:58:01 penguin systemd[1]: Failed to start Networking for 
netctl profil
-- Subject: Unit netctl@wlp1s0\x2dHOME\x2d42CE.service has failed
-- Defined-By: systemd
-- Support: [url]http://lists.freedesktop.org/mailman/listinfo/systemd-devel[/url]
-- 
-- Unit netctl@wlp1s0\x2dHOME\x2d42CE.service has failed.
-- 
-- The result is failed.
Sep 03 16:58:01 penguin systemd[1]: Unit 
netctl@wlp1s0\x2dHOME\x2d42CE.service e

Finally, systemctl --failed:

[steelcowboy@penguin WiFi]$ systemctl --failed
  UNIT                         LOAD   ACTIVE SUB    DESCRIPTION
● ip6tables.service            loaded failed failed IPv6 Packet Filtering Framew
● iptables.service             loaded failed failed Packet Filtering Framework
● krb5-kadmind.service         loaded failed failed Kerberos 5 administration se
● krb5-kdc.service             loaded failed failed Kerberos 5 KDC
● mdadm.service                loaded failed failed MDADM Event Monitor
● netctl@wlp1s0\x2dHOME\x2d42CE.service loaded failed failed Networking for netc
● systemd-journal-upload.service loaded failed failed Journal Remote
Upload Serv

I also used to get dhcpcd output, but now it just says sending commands to master process and I don't connect...

I use Arch on my other two computers and love it. I actually just fixed an issue with my kernel having issues and not GPU not initializing today, would be great if I could get another problem solved! Thanks in advance for any help!

Last edited by steelcowboy (2014-09-05 15:38:01)

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#2 2014-09-04 01:10:06

midixinga
Member
Registered: 2014-01-18
Posts: 193

Re: [SOLVED] Acer C720 ath9k -- WiFi won't connect

You were hit by the systemd issue, please have a look here
https://bbs.archlinux.org/viewtopic.php?id=186244
especially post #30; but you may also just re-install now, fixed version is published

Last edited by midixinga (2014-09-04 01:14:50)

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#3 2014-09-04 01:43:40

steelcowboy
Member
From: California, USA
Registered: 2014-09-04
Posts: 48

Re: [SOLVED] Acer C720 ath9k -- WiFi won't connect

So when I reinstall should that fix my wifi-menu issue? Or will I need to setup the interface manually (or use dhcpcd)?

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#4 2014-09-04 03:42:52

midixinga
Member
Registered: 2014-01-18
Posts: 193

Re: [SOLVED] Acer C720 ath9k -- WiFi won't connect

I think a healthy system would be a necessary first step.
You should only have one network manager service/daemon running (dhcpcd, networkmanager, conman, netctl, wicd)
Sorry I don't know much about WIFI, because I don't use it. If there are still problems, you could ask again; and I see, that you found the very complete looking Wiki.

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#5 2014-09-04 04:11:29

ewaller
Administrator
From: Pasadena, CA
Registered: 2009-07-13
Posts: 19,836

Re: [SOLVED] Acer C720 ath9k -- WiFi won't connect

Hi steelcowby, Welcome to Arch.  I hate to tell you, but you happened to catch Arch when it had a bug in the installer.   You can either use the solution in post #30 from that thread, or you can re-install.  The problem will have been dealt with either way and does not recur after installation.  As to your Wifi, 90% of the battle is getting it to see networks, so you should have no (additional) trouble -- aside from a learning curve, perhaps.

Last edited by ewaller (2014-09-04 04:11:48)

Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
---
How to Ask Questions the Smart Way

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#6 2014-09-04 04:36:42

steelcowboy
Member
From: California, USA
Registered: 2014-09-04
Posts: 48

Re: [SOLVED] Acer C720 ath9k -- WiFi won't connect

Well, I tried disabling all unnecessary services and doing the system-id thing in post #30; no luck. (Hey, at least it's now nice and clean!) Any other ideas?

Last edited by steelcowboy (2014-09-04 04:40:29)

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#7 2014-09-04 04:52:35

ewaller
Administrator
From: Pasadena, CA
Registered: 2009-07-13
Posts: 19,836

Re: [SOLVED] Acer C720 ath9k -- WiFi won't connect

Okay, let's walk through it.  What is the full output of systemctl status  of iw list   and (as root) iw wlan0 scan   (Replace wlan0 with the name of your interface)
And, how did you want to control the interface, netctl ?

Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
---
How to Ask Questions the Smart Way

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#8 2014-09-04 13:22:05

steelcowboy
Member
From: California, USA
Registered: 2014-09-04
Posts: 48

Re: [SOLVED] Acer C720 ath9k -- WiFi won't connect

Systemctl:

  GNU nano 2.2.6               File: sys.txt                                    

● penguin
    State: running
     Jobs: 0 queued
   Failed: 0 units
    Since: Thu 2014-09-04 05:55:43 PDT; 1min 59s ago
   CGroup: /
           ├─1 /sbin/init
           ├─system.slice
           │ ├─dbus.service
           │ │ └─183 /usr/bin/dbus-daemon --system --address=systemd: --nofork $
           │ ├─lvm2-lvmetad.service
           │ │ └─116 /usr/bin/lvmetad -f
           │ ├─dhcpcd.service
           │ │ ├─185 /usr/bin/dhcpcd -q -b
           │ │ └─368 wpa_supplicant -B -c/etc/wpa_supplicant/wpa_supplicant.con$
           │ ├─wpa_supplicant.service
           │ │ └─181 /usr/bin/wpa_supplicant -u
           │ ├─lxdm.service
 │ ├─lvm2-lvmetad.service
           │ │ └─116 /usr/bin/lvmetad -f
           │ ├─dhcpcd.service
           │ │ ├─185 /usr/bin/dhcpcd -q -b
           │ │ └─368 wpa_supplicant -B -c/etc/wpa_supplicant/wpa_supplicant.con$
           │ ├─wpa_supplicant.service
           │ │ └─181 /usr/bin/wpa_supplicant -u
           │ ├─lxdm.service
           │ │ ├─212 /usr/sbin/lxdm-binary
           │ │ └─340 /usr/bin/Xorg.bin -background none :0 vt01 -nolisten tcp -$
           │ ├─accounts-daemon.service
           │ │ └─631 /usr/lib/accountsservice/accounts-daemon
           │ ├─systemd-readahead-collect.service
           │ │ └─124 /usr/lib/systemd/systemd-readahead collect
           │ ├─colord.service
           │ │ └─588 /usr/lib/colord/colord
           │ ├─nscd.service
           │ │ └─566 /usr/sbin/nscd --foreground

           │ ├─accounts-daemon.service
           │ │ └─631 /usr/lib/accountsservice/accounts-daemon
           │ ├─systemd-readahead-collect.service
           │ │ └─124 /usr/lib/systemd/systemd-readahead collect
           │ ├─colord.service
           │ │ └─588 /usr/lib/colord/colord
           │ ├─nscd.service
           │ │ └─566 /usr/sbin/nscd --foreground
           │ ├─systemd-journald.service
           │ │ └─132 /usr/lib/systemd/systemd-journald
           │ ├─udisks2.service
           │ │ └─589 /usr/lib/udisks2/udisksd --no-debug
           │ ├─systemd-resolved.service
           │ │ └─215 /usr/lib/systemd/systemd-resolved
           │ ├─upower.service
           │ │ └─499 /usr/lib/upower/upowerd
           │ ├─ftpd.service
           │ │ └─224 /usr/bin/ftpd -D
 │ ├─udisks2.service
           │ │ └─589 /usr/lib/udisks2/udisksd --no-debug
           │ ├─systemd-resolved.service
           │ │ └─215 /usr/lib/systemd/systemd-resolved
           │ ├─upower.service
           │ │ └─499 /usr/lib/upower/upowerd
           │ ├─ftpd.service
           │ │ └─224 /usr/bin/ftpd -D
           │ ├─systemd-timesyncd.service
           │ │ └─158 /usr/lib/systemd/systemd-timesyncd
           │ ├─systemd-logind.service
           │ │ └─204 /usr/lib/systemd/systemd-logind
           │ ├─systemd-networkd.service
           │ │ └─203 /usr/lib/systemd/systemd-networkd
           │ ├─dm-event.service
           │ │ └─115 /usr/bin/dmeventd -f
           │ ├─systemd-udevd.service
           │ │ └─151 /usr/lib/systemd/systemd-udevd

  │ ├─systemd-logind.service
           │ │ └─204 /usr/lib/systemd/systemd-logind
           │ ├─systemd-networkd.service
           │ │ └─203 /usr/lib/systemd/systemd-networkd
           │ ├─dm-event.service
           │ │ └─115 /usr/bin/dmeventd -f
           │ ├─systemd-udevd.service
           │ │ └─151 /usr/lib/systemd/systemd-udevd
           │ ├─polkit.service
           │ │ └─488 /usr/lib/polkit-1/polkitd --no-debug
           │ ├─bluetooth.service
           │ │ └─250 /usr/lib/bluetooth/bluetoothd
           │ ├─geoclue.service
           │ │ └─587 /usr/lib/geoclue2/geoclue -t 5
           │ └─rtkit-daemon.service
           │   └─485 /usr/lib/rtkit/rtkit-daemon
           └─user.slice
             └─user-1000.slice

iw list:

 Wiphy phy0
        max # scan SSIDs: 4
        max scan IEs length: 2257 bytes
        Coverage class: 0 (up to 0m)
        Device supports RSN-IBSS.
        Device supports AP-side u-APSD.
        Device supports T-DLS.
        Supported Ciphers:
                * WEP40 (00-0f-ac:1)
                * WEP104 (00-0f-ac:5)
                * TKIP (00-0f-ac:2)
                * CCMP (00-0f-ac:4)
                * CMAC (00-0f-ac:6)
        Available Antennas: TX 0x3 RX 0x3
        Configured Antennas: TX 0x3 RX 0x3
        Supported interface modes:
                 * IBSS
                 * managed
                 * AP
                 * AP/VLAN
                 * WDS
                 * monitor
                 * mesh point
                 * P2P-client
                 * P2P-GO
        Band 1:
                Capabilities: 0x11ef
                        RX LDPC
                        HT20/HT40
                        SM Power Save disabled
                        RX HT20 SGI
                        RX HT40 SGI
                        TX STBC
                        RX STBC 1-stream
                        Max AMSDU length: 3839 bytes
                        DSSS/CCK HT40
                Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
                Minimum RX AMPDU time spacing: 8 usec (0x06)
   * WDS
                 * monitor
                 * mesh point
                 * P2P-client
                 * P2P-GO
        Band 1:
                Capabilities: 0x11ef
                        RX LDPC
                        HT20/HT40
                        SM Power Save disabled
                        RX HT20 SGI
                        RX HT40 SGI
                        TX STBC
                        RX STBC 1-stream
                        Max AMSDU length: 3839 bytes
                        DSSS/CCK HT40
                Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
                Minimum RX AMPDU time spacing: 8 usec (0x06)
                HT TX/RX MCS rate indexes supported: 0-15
                Bitrates (non-HT):
                        * 1.0 Mbps
                        * 2.0 Mbps (short preamble supported)
                        * 5.5 Mbps (short preamble supported)
                        * 11.0 Mbps (short preamble supported)
                        * 6.0 Mbps
                        * 9.0 Mbps
                        * 12.0 Mbps
                        * 18.0 Mbps
                        * 24.0 Mbps
                        * 36.0 Mbps
                        * 48.0 Mbps
                        * 54.0 Mbps
                Frequencies:
                        * 2412 MHz [1] (16.0 dBm)
                        * 2417 MHz [2] (16.0 dBm)
                        * 2422 MHz [3] (16.0 dBm)
                        * 2427 MHz [4] (16.0 dBm)
                        * 2432 MHz [5] (16.0 dBm)

   * 1.0 Mbps
                        * 2.0 Mbps (short preamble supported)
                        * 5.5 Mbps (short preamble supported)
                        * 11.0 Mbps (short preamble supported)
                        * 6.0 Mbps
                        * 9.0 Mbps
                        * 12.0 Mbps
                        * 18.0 Mbps
                        * 24.0 Mbps
                        * 36.0 Mbps
                        * 48.0 Mbps
                        * 54.0 Mbps
                Frequencies:
                        * 2412 MHz [1] (16.0 dBm)
                        * 2417 MHz [2] (16.0 dBm)
                        * 2422 MHz [3] (16.0 dBm)
                        * 2427 MHz [4] (16.0 dBm)
                        * 2432 MHz [5] (16.0 dBm)
                        * 2437 MHz [6] (16.0 dBm)
                        * 2442 MHz [7] (16.0 dBm)
                        * 2447 MHz [8] (16.0 dBm)
                        * 2452 MHz [9] (16.0 dBm)
                        * 2457 MHz [10] (16.0 dBm)
                        * 2462 MHz [11] (16.0 dBm)
                        * 2467 MHz [12] (16.0 dBm) (no IR)
                        * 2472 MHz [13] (15.0 dBm) (no IR)
                        * 2484 MHz [14] (disabled)
        Band 2:
                Capabilities: 0x11ef
                        RX LDPC
                        HT20/HT40
                        SM Power Save disabled
                        RX HT20 SGI
                        RX HT40 SGI
                        TX STBC
                        RX STBC 1-stream
                        Max AMSDU length: 3839 bytes
                        DSSS/CCK HT40
  Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
                Minimum RX AMPDU time spacing: 8 usec (0x06)
                HT TX/RX MCS rate indexes supported: 0-15
                Bitrates (non-HT):
                        * 6.0 Mbps
                        * 9.0 Mbps
                        * 12.0 Mbps
                        * 18.0 Mbps
                        * 24.0 Mbps
                        * 36.0 Mbps
                        * 48.0 Mbps
                        * 54.0 Mbps
                Frequencies:
                        * 5180 MHz [36] (14.0 dBm)
                        * 5200 MHz [40] (15.0 dBm) (no IR)
                        * 5220 MHz [44] (15.0 dBm) (no IR)
                        * 5240 MHz [48] (15.0 dBm) (no IR)
                        * 5260 MHz [52] (17.0 dBm) (no IR, radar detection)
                          DFS state: usable (for 483 sec)
                        * 5280 MHz [56] (15.0 dBm) (no IR, radar detection)

 DFS state: usable (for 483 sec)
                        * 5300 MHz [60] (15.0 dBm) (no IR, radar detection)
                          DFS state: usable (for 483 sec)
                        * 5320 MHz [64] (15.0 dBm) (no IR, radar detection)
                          DFS state: usable (for 483 sec)
                        * 5500 MHz [100] (15.0 dBm) (no IR, radar detection)
                          DFS state: usable (for 483 sec)
                        * 5520 MHz [104] (16.0 dBm) (no IR, radar detection)
                          DFS state: usable (for 483 sec)
                        * 5540 MHz [108] (16.0 dBm) (no IR, radar detection)
                          DFS state: usable (for 483 sec)
                        * 5560 MHz [112] (16.0 dBm) (no IR, radar detection)
                          DFS state: usable (for 483 sec)
                        * 5580 MHz [116] (16.0 dBm) (no IR, radar detection)
                          DFS state: usable (for 483 sec)
                        * 5600 MHz [120] (16.0 dBm) (no IR, radar detection)
                          DFS state: usable (for 483 sec)
                        * 5620 MHz [124] (16.0 dBm) (no IR, radar detection)
                          DFS state: usable (for 483 sec)
                        * 5640 MHz [128] (16.0 dBm) (no IR, radar detection)
  DFS state: usable (for 483 sec)
                        * 5680 MHz [136] (16.0 dBm) (no IR, radar detection)
                          DFS state: usable (for 483 sec)
                        * 5700 MHz [140] (14.0 dBm) (no IR, radar detection)
                          DFS state: usable (for 483 sec)
                        * 5745 MHz [149] (16.0 dBm) (no IR)
                        * 5765 MHz [153] (16.0 dBm) (no IR)
                        * 5785 MHz [157] (16.0 dBm)
                        * 5805 MHz [161] (16.0 dBm) (no IR)
                        * 5825 MHz [165] (16.0 dBm)
        Supported commands:
                 * new_interface
                 * set_interface
                 * new_key
                 * start_ap
                 * new_station
                 * new_mpath
                 * set_mesh_config
                 * set_bss
                 * authenticate
                 * associate
                 * deauthenticate
                 * disassociate
                 * join_ibss
                 * join_mesh
                 * remain_on_channel
                 * set_tx_bitrate_mask
                 * frame
                 * frame_wait_cancel
                 * set_wiphy_netns
                 * set_channel
                 * set_wds_peer
                 * tdls_mgmt
                 * tdls_oper
                 * probe_client
                 * set_noack_map
                 * register_beacons
                 * start_p2p_device
* set_mcast_rate
                 * Unknown command (104)
                 * connect
                 * disconnect
        Supported TX frame types:
                 * IBSS: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0$
                 * managed: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0$
                 * AP: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0$
                 * AP/VLAN: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0$
                 * mesh point: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x9$
                 * P2P-client: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x9$
                 * P2P-GO: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0x$
                 * P2P-device: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x9$
        Supported RX frame types:
                 * IBSS: 0x40 0xb0 0xc0 0xd0
                 * managed: 0x40 0xd0
                 * AP: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
                 * AP/VLAN: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
                 * mesh point: 0xb0 0xc0 0xd0
                 * P2P-client: 0x40 0xd0
* P2P-GO: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
                 * P2P-device: 0x40 0xd0
        software interface modes (can always be added):
                 * AP/VLAN
                 * monitor
        valid interface combinations:
                 * #{ managed } <= 2048, #{ AP, mesh point } <= 8, #{ P2P-clien$
                   total <= 2048, #channels <= 1, STA/AP BI must match
                 * #{ WDS } <= 2048,
                   total <= 2048, #channels <= 1, STA/AP BI must match
        HT Capability overrides:
                 * MCS: ff ff ff ff ff ff ff ff ff ff
                 * maximum A-MSDU length
                 * supported channel width
                 * short GI for 40 MHz
                 * max A-MPDU length exponent
                 * min MPDU start spacing
        Device supports TX status socket option.
        Device supports HT-IBSS.
        Device supports low priority scan.
        Device supports scan flush.
        Device supports AP scan.

iw wlp1s0 scan:

BSS 8c:0c:90:64:b8:e8(on wlp1s0)
        TSF: 3174791 usec (0d, 00:00:03)
        freq: 2412
        beacon interval: 100 TUs
        capability: ESS ShortPreamble ShortSlotTime (0x0421)
        signal: -75.00 dBm
        last seen: 10006 ms ago
        Information elements from Probe Response frame:
        SSID:
        Supported rates: 1.0* 2.0* 5.5* 11.0*
        DS Parameter set: channel 1
        TIM: DTIM Count 0 DTIM Period 1 Bitmap Control 0x0 Bitmap[0] 0x0
        Country: US     Environment: Indoor/Outdoor
                Channels [1 - 1] @ 36 dBm
                Channels [6 - 6] @ 36 dBm
                Channels [11 - 11] @ 36 dBm
        ERP: <no flags>
        Extended supported rates: 6.0 9.0 12.0 18.0 24.0 36.0 48.0 54.0
        WMM:     * Parameter version 1
                 * u-APSD
                 * BE: CW 15-1023, AIFSN 7
                 * BK: CW 15-1023, AIFSN 3
                 * VI: CW 7-15, AIFSN 2, TXOP 3008 usec
                 * VO: CW 3-7, AIFSN 2, TXOP 1504 usec
        HT capabilities:
                Capabilities: 0x1ad
                        RX LDPC
                        HT20
                        SM Power Save disabled
                        RX HT20 SGI
                        TX STBC
                        RX STBC 1-stream
                        Max AMSDU length: 3839 bytes
                        No DSSS/CCK HT40
                Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
                Minimum RX AMPDU time spacing: No restriction (0x00)
                HT RX MCS rate indexes supported: 0-23
                HT TX MCS rate indexes are undefined

HT operation:
                 * primary channel: 1
                 * secondary channel offset: no secondary
                 * STA channel width: 20 MHz
                 * RIFS: 0
                 * HT protection: no
                 * non-GF present: 0
                 * OBSS non-GF present: 0
                 * dual beacon: 0
                 * dual CTS protection: 0
                 * STBC beacon: 0
                 * L-SIG TXOP Prot: 0
                 * PCO active: 0
                 * PCO phase: 0
        Extended capabilities:
...
BSS c4:27:95:43:42:ce(on wlp1s0) -- associated
        TSF: 2740503534313 usec (31d, 17:15:03)
        freq: 2462
        beacon interval: 100 TUs
        capability: ESS Privacy ShortSlotTime (0x0411)
        signal: -35.00 dBm
        last seen: 196 ms ago
        Information elements from Probe Response frame:
        SSID: HOME-42CE
        Supported rates: 1.0* 2.0* 5.5* 11.0* 18.0 24.0* 36.0 54.0
        DS Parameter set: channel 11
        ERP: Barker_Preamble_Mode
        ERP D4.0: Barker_Preamble_Mode
        RSN:     * Version: 1
                 * Group cipher: TKIP
                 * Pairwise ciphers: CCMP TKIP
                 * Authentication suites: PSK
                 * Capabilities: 16-PTKSA-RC 1-GTKSA-RC (0x000c)
        Extended supported rates: 6.0* 9.0 12.0* 48.0
        HT capabilities:
                Capabilities: 0x18fd
                        RX LDPC
                        HT20
                        SM Power Save disabled
                        RX Greenfield
                        RX HT20 SGI
                        RX HT40 SGI
                        TX STBC
                        No RX STBC
                        Max AMSDU length: 7935 bytes
                        DSSS/CCK HT40
                Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
                Minimum RX AMPDU time spacing: 8 usec (0x06)
                HT RX MCS rate indexes supported: 0-23
                HT TX MCS rate indexes are undefined
        HT operation:
* STA channel width: 20 MHz
                 * RIFS: 0
                 * HT protection: non-HT mixed
                 * non-GF present: 1
                 * OBSS non-GF present: 1
                 * dual beacon: 0
                 * dual CTS protection: 0
                 * STBC beacon: 0
                 * L-SIG TXOP Prot: 0
                 * PCO active: 0
                 * PCO phase: 0
        WPS:     * Version: 1.0
                 * Wi-Fi Protected Setup State: 2 (Configured)
                 * Response Type: 3 (AP)
                 * UUID: 3c785e75-4134-7c24-d25b-c494b759428e
                 * Manufacturer: Technicolor
                 * Model: Technicolor
                 * Model Number: 123456
                 * Serial Number: 0000001
                 * Primary Device Type: 6-0050f204-1
                 * Device name: TechnicolorAP
                 * Config methods: Display
                 * RF Bands: 0x1
                 * Unknown TLV (0x1049, 6 bytes): 00 37 2a 00 01 20
        WPA:     * Version: 1
                 * Group cipher: TKIP
                 * Pairwise ciphers: CCMP TKIP
                 * Authentication suites: PSK
                 * Capabilities: 16-PTKSA-RC 1-GTKSA-RC (0x000c)
        WMM:     * Parameter version 1
                 * u-APSD
                 * BE: CW 15-1023, AIFSN 3
                 * BK: CW 15-1023, AIFSN 7
                 * VI: CW 7-15, AIFSN 2, TXOP 3008 usec
                 * VO: CW 3-7, AIFSN 2, TXOP 1504 usec

I figured you didn't care about every wifi AP in the scan, so there's the first and then my home network

Last edited by steelcowboy (2014-09-05 02:54:45)

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#9 2014-09-04 14:51:03

ewaller
Administrator
From: Pasadena, CA
Registered: 2009-07-13
Posts: 19,836

Re: [SOLVED] Acer C720 ath9k -- WiFi won't connect

Okay, so you will be using WPA for security.  Go ahead and disable and stop the hdcpd service. 

I assume you plan to use netctl to control your wireless.  Fire up wifi-menu as root and connect to your access point.  It will ask you for the password, and will build a netctl profile for you.

Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
---
How to Ask Questions the Smart Way

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#10 2014-09-04 17:52:28

steelcowboy
Member
From: California, USA
Registered: 2014-09-04
Posts: 48

Re: [SOLVED] Acer C720 ath9k -- WiFi won't connect

No luck, got the same error as usual. Right now the network I'm trying to use is unsecured; I'll have this network till 3:30 and then I'm back to my home network.

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#11 2014-09-04 18:02:15

loqs
Member
Registered: 2014-03-06
Posts: 17,624

Re: [SOLVED] Acer C720 ath9k -- WiFi won't connect

Perhaps this? ath9k

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#12 2014-09-04 18:34:35

steelcowboy
Member
From: California, USA
Registered: 2014-09-04
Posts: 48

Re: [SOLVED] Acer C720 ath9k -- WiFi won't connect

That was one of the first things I tried... It's not a driver issue, it's an issue with wpa_supplicant

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#13 2014-09-05 02:56:47

steelcowboy
Member
From: California, USA
Registered: 2014-09-04
Posts: 48

Re: [SOLVED] Acer C720 ath9k -- WiFi won't connect

Though I doubt it will fix anything (except maybe my touchpad lol) I'm installing the linux-chromebook kernel via chroot (only place I can get wifi to work). It's taking quite a while, don't expect it to finish for 30~45 minutes but if it fixes it I'll let y'all know!

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#14 2014-09-05 04:05:01

ewaller
Administrator
From: Pasadena, CA
Registered: 2009-07-13
Posts: 19,836

Re: [SOLVED] Acer C720 ath9k -- WiFi won't connect

Oh, I just noticed that your systemctl status showed that the dhcpcd.service was running.  Make sure that is disabled and stopped if you are using netctl.

Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
---
How to Ask Questions the Smart Way

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#15 2014-09-05 05:38:53

steelcowboy
Member
From: California, USA
Registered: 2014-09-04
Posts: 48

Re: [SOLVED] Acer C720 ath9k -- WiFi won't connect

Still failing with the same netctl error, even though I disabled dhcpcd....I do have touchpad though!

I doubt this would affect anything, but if for whatever reason netctl has issues with running from a flash drive...couldn't install Arch on the HDD (it's a school issued chromebook) so had to do flash drive

Last edited by steelcowboy (2014-09-05 05:56:09)

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#16 2014-09-05 15:23:56

steelcowboy
Member
From: California, USA
Registered: 2014-09-04
Posts: 48

Re: [SOLVED] Acer C720 ath9k -- WiFi won't connect

I finally got this to work! I noticed an extra netcl.service was running. I disabled this but then had to use 

# wpa_supplicant -i wlan0 -c <(wpa_passphrase your_SSID your_key)

and then dhcpcd it. Thanks for the help everyone!

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